Specifications include, but are not limited to: A. Each of the three telescoping valves must be completely assembled including a valve stand, adjusting mechanism with rising stem, slip pipe and companion flange. B. The valve stands for the three telescoping valves shall be close-grained cast gray iron complete with base flange drilled to receive 304 stainless for wedge anchors. C. Two (2) valves will consist of the 304 stainless slip pipe which can slip up and down inside a stationary ten (10) inch vertical pipe. Where the slip pipe enters the vertical stationary pipe, a cast iron or steel companion flange will be furnished. The companion flange should fit a standard ten-inch pipe flange and be bored with sufficient clearance to allow the slip tube to slide but no sludge to escape. Each companion flange shall be furnished with two sealing gaskets of Neoprene rubber having an inner diameter slightly smaller than the outer diameter of the slip tube. The slip tube must travel minimum of four (4) feet with at least 4 inches left in the stationary pipe when the valve is in the up position. The slip tube will be V notched. Manufacturer shall supply the companion flange 304 stainless mounting bolts.